在荧光显微镜下观察被标记的某动物的睾丸细胞,等位基因A、a被分别标记为红、黄色，等位基因B、b被分别标记为蓝、绿色。①③细胞都处于染色体向两极移动的时期。不考虑交叉互换等变异,下列有关推测合理的是

A．①时期的细胞中向每一极移动都有红、黄、蓝、绿色荧光点，各2个

B．③时期的细胞中向每一极移动都有红、黄、蓝、绿色荧光点，各1个

C．②时期的初级精母细胞中都有红、黄、蓝、绿色荧光点，各2个

D．图中精细胞产生的原因是减数第一次分裂或减数第二次分裂过程异常

下列各句均有一处错误，在错处下面划线，并改正。

1. Excuse me, Miss Green. Can I ask you any questions?

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2. Do you think Mary have a TV?

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3. Can Li Lei play the tennis?

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4. The boys play football on every Monday afternoon.

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5. Does Tom has a baseball bat?

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6. ---Can you go with me? --- Sorry, I’m not.

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7. Are you want to watch TV?

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8. Let’s to have a look.

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9. They only watch it in TV.

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10. Please to take these balls to the room. 

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